Revision [2094]

This is an old revision of Blog20080821BootChart made by BenoitAudouard on 2008-08-21 13:47:02.

 

Goal :

Playing with bootchart to enhance / visualize boot time

Check http://wiki.eagle-usb.org/wakka.php?wiki=ImproveBootTime

The results


How to


As told in /usr/share/doc/bootchart/INSTALL and /usr/share/doc/bootchart/README title Bootchart logging
kernel (hd0,4)/boot/vmlinuz BOOT_IMAGE=linux root=UUID=c3fd9f4d-55c6-4f2e-9fe7-e2dcb9814d9e resume=/dev/sda7 splash=silent vga=791 init=/sbin/bootchartd
initrd (hd0,4)/boot/initrd.img
information from the proc file system (/proc/[PID]/stat, /proc/stat and /proc/diskstats). The statistics are logged to a virtual memory file system
(tmpfs). Once the boot process completes (denoted by the existence of specific processes), the log files are packaged to /var/log/bootchart.tgz.


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